US20050102907A1 - Hung window carrier system and method - Google Patents
Hung window carrier system and method Download PDFInfo
- Publication number
- US20050102907A1 US20050102907A1 US10/714,940 US71494003A US2005102907A1 US 20050102907 A1 US20050102907 A1 US 20050102907A1 US 71494003 A US71494003 A US 71494003A US 2005102907 A1 US2005102907 A1 US 2005102907A1
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- United States
- Prior art keywords
- jamb
- carrier
- sash
- lock
- window sash
- Prior art date
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- Granted
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- 238000000034 method Methods 0.000 title claims abstract description 26
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 210000001364 upper extremity Anatomy 0.000 claims description 8
- 210000003141 lower extremity Anatomy 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 229920002319 Poly(methyl acrylate) Polymers 0.000 description 1
- 229910001229 Pot metal Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D13/00—Accessories for sliding or lifting wings, e.g. pulleys, safety catches
- E05D13/04—Fasteners specially adapted for holding sliding wings open
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D15/00—Suspension arrangements for wings
- E05D15/16—Suspension arrangements for wings for wings sliding vertically more or less in their own plane
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
- E05Y2900/13—Application of doors, windows, wings or fittings thereof for buildings or parts thereof characterised by the type of wing
- E05Y2900/132—Doors
Definitions
- the present invention is related to a carrier system and method for hung windows, and more particularly relates to an carrier system and method for easy removal of hung windows from a captured jamb.
- Captured jamb-type hung windows are known in the art for being useful in impact-resistant window applications, in areas of high winds and the like, whereas non-captured jamb designs (primarily used in tilting window systems) are generally too weak for applications in areas of high winds.
- the jamb In such captured-jamb systems, the jamb has a generally U-shaped cross-sectional configuration to prevent the window sash from being dislodged from the jamb during high winds or other impact.
- One such captured jamb design is disclosed in the “Ultralift Takeout System II” manufactured by Caldwell Manufacturing Company, of Rochester, N.Y. (the “Caldwell System”).
- a carrier 21B81 supports a bracket assembly 21B72, the latter which is screwed to a window sash, and the window may slide along guide rails of the window jamb.
- the carrier is attached to an ultra-lift balance, and has a swingable hook portion that is engageable with a 45° lance.
- the user To remove the window of the Caldwell System, the user must remove sash plate 21B88, 21B89 from the bottom of the sash to access the swingable hook portion of the carrier. The user then reaches into the jamb area and pivots the hook, and then slides the window until the swingable hook portion of the carrier engages the lance, thereby securing the carrier in place. Once the carrier is secured in place, the window may be lifted to disengage the bracket assembly from the carrier, so that the window can be removed.
- Caldwell discloses a rather complicated and expensive system, and requires a significant amount time to remove the window sash, since, e.g., the sash must first be unscrewed. Also, since the user must reach up into the jamb area to lock the carrier to the jamb, the user may injure his or her fingers. Additionally, once the swingable hook portion engages the lance, the carrier is secured against movement in only one direction, i.e., the upward direction, as the carrier is upwardly biased by the spring of the balance. In the event that the balance is disengaged from the carrier while the carrier is secured (either intentionally or accidentally), the carrier is no longer upwardly biased and may then come crashing down, potentially damaging the window and/or injuring the user. Further, because the carrier must be able to slide over the lance, the carrier must be formed in a “W” configuration, adding to manufacturing complexity and cost.
- U.S. Pat. No. 3,498,000 to NOBES discloses a takeout apparatus for aluminum window sash 12 , the apparatus having a carrier 20 that slides along a window jamb or frame 11 .
- the sash has a sash clip 25 that engages a carrier 20 , the latter having extensions 21 that engage a retainer spring 29 attached to the frame.
- the sash must be raised to its upper limit of travel to allow the carrier extensions 21 to engage the spring, thereby locking the sash in position. Once locked, the sash clip 25 may be disengaged from the carrier 20 , and the sash may then be removed from the frame 11 .
- NOBES NOBES
- the sash since the sash must be raised to its upper limit of travel, where the retainer spring 29 is located, the range of opening of the window is reduced. Additionally, removing the window sash when it is at its uppermost limit of travel creates the unnecessary hazard of lifting a heavy window sash from such a high location.
- the present invention provides a carrier system for hung windows that allows a window sash to be easily and quickly removed from a window jamb, and that is economical to manufacture.
- the carrier system is also configured such that a carrier is lockable in place in both vertical (i.e., both upper and lower) moving directions (i.e. both directions of an axial direction).
- the carrier of the present invention is not limited to being locked at an uppermost limit of travel, but may be locked at virtually any location along the length of the window jamb, and at a plurality of different locations along the jamb.
- the present invention has the benefits of being used in a captured-jamb design while allowing the sash to be easily removed from the jamb, without first having to disengage the balance. Also, the present invention provides the flexibility of allowing a variety of spiral or block and tackle tilt balances to be used therewith, and further provides ease of interchangability between these types of balances. Since in the present invention the window balance is attachable to the carrier, rather than directly to the sash, the balance may be more safely and easily accessed and/or replaced, because the sash may be removed from the jamb. Additionally, the carrier does not interfere with balance installation screws, which would otherwise be problematic especially when using block and tackle balances, which slide with the sash.
- the hung window carrier system includes a jamb having a generally U-shaped cross section having a back portion and two opposed side portions, the jamb comprising a pair of tracks, each track located on a respective side portion and extending in an axial direction substantially parallel to the jamb, the jamb having a pair of opposed channel portions defined by the back portions, respective opposed side portions, and respective pair of tracks.
- the invention also includes a sash clip configured to be affixed to a window sash, a carrier having a slidable portion and a window sash support portion, wherein the window sash support portion is configured to removably engage the sash clip and further configured to support the window sash.
- the slidable portion is configured to slide along the jamb toward upper and lower extremities in the axial direction between the back portion and the opposed side portions, and the carrier is configured to be connected to a window balance.
- the invention also has a locking mechanism comprising a jamb lock located on the jamb and a carrier lock located on the carrier, the jamb lock and carrier lock configured to align with each other by sliding the carrier within the jamb, wherein after the jamb lock and carrier lock are aligned, the locking mechanism is configured to lock the carrier in place along the jamb such that the carrier cannot move toward either the upper or lower extremities.
- the jamb may further include an aperture located on the jamb where the plurality of tracks are not present, wherein the carrier is insertable into and removable from the aperture in a direction at least one of oblique and perpendicular to the axial direction.
- the aperture may be located proximate the upper extremity of the jamb, and the slidable portion may include a first width less than a distance between the two opposed side portions, and a second width greater than a distance between the two opposed side portions.
- the slidable portion may further include a first width less than a distance between the two opposed side portions, and a second width greater than a distance between the two opposed side portions, the second width being insertable into and removable from the aperture.
- the system may also include a pair of side guides, each having a generally U-shaped cross section and affixed to a respective opposed edge of the slidable portion of the carrier and configured to slide, together with the carrier, within the channel portion in the axial direction.
- the jamb lock may yet include a plurality of jamb locks arranged in the axial direction.
- the carrier lock may include a carrier clip, and the plurality of jamb locks may include a respective plurality of jamb recesses each configured to accept the carrier clip.
- the carrier lock may include a carrier aperture and a carrier pin
- the plurality of jamb locks may include a respective plurality of jamb recesses
- the carrier pin may pass through the carrier aperture to be inserted into a jamb recess of the plurality of jamb recesses.
- the slidable portion may be substantially planar.
- the carrier lock may be located on the slidable portion at a position axially below the window sash, when the window sash support portion supports the window sash, thereby making it easier for a user to access the carrier lock, and further reducing the possibility of a user injuring his or her fingers, since the user does not have to insert his or her fingers up into the region between the window sash and carrier.
- the method includes supporting the window sash by a window sash support portion of a carrier engaged with the sash clip, sliding the carrier via a slidable portion thereof, the slidable portion located between the back portion and the opposed side portions, along the jamb in the axial direction, aligning a carrier lock located on the carrier with a jamb lock located on the jamb, locking the carrier against movement toward an upper and lower extremity of the axial direction relative to the jamb, by engaging the carrier lock with the jamb lock.
- the method further includes lifting the window sash substantially in the axial direction to disengage the sash clip from the window sash support portion, laterally moving the window sash in a direction substantially parallel to a plane defined by the window frame, pivoting the window sash about an axis substantially parallel to the axial direction, and removing the window sash from the jamb.
- the jamb may also include an aperture located on the jamb where the plurality of tracks are not present, and the method may also include at least one of inserting and removing the carrier from the aperture in a direction at least one of oblique and perpendicular to the axial direction.
- the aperture may be present proximate a top of the jamb, and the slidable portion may include a first width less than a distance between the two opposed side portions, and a second width greater than a distance between the two opposed side portions. Also, the second width may be insertable into and removable from the aperture.
- the jamb may further have a pair of generally U-shaped side guides respectively located between the pair of opposed side portions and the back portion, and the method may further include sliding the carrier by the slidable portion in the pair of generally U-shaped side guides.
- the jamb lock may include a plurality of jamb locks arranged in the axial direction, and the carrier lock may include a carrier clip.
- the plurality of jamb locks may include a respective plurality of jamb recesses, and the locking may further include inserting the carrier clip into one of the plurality of jamb recesses.
- the carrier lock may include a carrier aperture and a carrier pin, the plurality of jamb locks may include a respective plurality of jamb recesses, and the locking may further include passing the carrier pin through the carrier aperture and into a jamb recess of the plurality of jamb recesses.
- the carrier lock may be located on the slidable portion at a position axially below the window sash, when the window sash support portion supports the window sash. Also, the slidable portion may be substantially planar.
- the method includes inserting an edge of the window sash into the jamb, the edge substantially parallel to the axial direction, pivoting the edge of window sash about an axis substantially parallel to the axial direction until a plane defined by the window sash is substantially parallel with a plane defined by the jamb, laterally moving the window sash along the plane defined by the window sash, lowering the window sash substantially in the axial direction to engage the sash clip with a window sash support portion of a carrier, and unlocking the carrier in the axial direction relative to the jamb by disengaging a carrier lock from a jamb lock, such that a slidable portion of the carrier may slide along the jamb in the axial direction, the slidable portion located between the back portion and the opposed side portions.
- FIG. 1 is a perspective exploded view of the carrier and jamb according to the present invention
- FIG. 2 is a perspective view of the sash clip according to the present invention.
- FIG. 3 is a side schematic view of the carrier and sash clip engaged with each other;
- FIG. 4 is a side schematic view of the carrier with a balance attached thereto;
- FIG. 5 is a top plan schematic view of the carrier inserted into the jamb
- FIG. 6 is a side schematic view of the sash clip affixed to a window sash
- FIG. 7A is a schematic partial view of a window with the carrier in locked position, with the carrier and sash clip engaged with each other;
- FIG. 7B is a sectional top plan schematic view of the window sash installed in the jamb of FIG. 7A ;
- FIG. 8 is a schematic partial view of a window with the carrier in locked position, with the carrier and sash clip disengaged from each other;
- FIG. 9A is a schematic partial view of a window with the carrier in locked position, with the carrier and sash clip disengaged from each other, and with the window sash moved laterally toward one jamb;
- FIG. 9B is a sectional top plan schematic view of the window sash moved laterally toward the jamb of FIG. 9A ;
- FIG. 10 is a sectional top plan schematic view of the window sash in a pivoted position.
- FIG. 1 shows a carrier 10 and a jamb 12 in which the carrier slides.
- the jamb 12 has a generally U-shaped cross-sectional configuration, as can also be seen in FIG. 5 , and may be affixed to, integral with or unitary with a window frame 14 (shown in FIG. 8 ).
- FIG. 2 shows a sash clip 16 which may be affixed to, integral with or unitary with a side rail 50 of a window sash 18 (shown in FIG. 6 ) via screws (not shown) inserted through holes 46 and penetrating into the window sash.
- the sash clip 16 may be affixed to the window sash by other known means.
- the present invention includes the jamb 12 , carrier 10 and sash clip 16 , and in the preferred embodiment, there is a jamb 12 , a carrier 10 and sash clip 16 each at opposite sides of the window frame 14 .
- the jamb 12 has a back portion 20 and two opposed side portions 22 a , 22 b which form the generally U-shaped cross section.
- the jamb 12 also has a pair of tracks 24 (only one of which is visible in FIG. 1 ), each affixed to a respective side portion 22 a , 22 b , that run substantially parallel to the jamb 12 , and create opposed channel portions 30 in the jamb.
- the carrier 10 has a generally planar slidable portion 26 configured to slide along the jamb 12 within the channel portions 30 , as shown in FIG. 5 .
- the jamb 12 also has a region (aperture) 48 , preferably at the top of the jamb, where there are no tracks 24 present therein, and the slidable portion 26 has a lower portion 26 a and an upper portion 26 b .
- the lower portion 26 a has a width less then the distance between the tracks 24
- the upper portion 26 b has a width greater than a distance between the tracks but less than the distance between the side portions 22 a , 22 b of the jamb 12 .
- the aperture 48 does not extend the entire length of the carrier 10 , but rather merely extends the length of the upper portion, thereby allowing the upper portion 26 b to be captured by the opposed channel portions 30 of the jamb 12 , while giving the carrier a longer range of travel along the jamb than would otherwise be available if the aperture extended the entire length of the carrier.
- the carrier may be inserted into the jamb in a direction generally parallel to the illustrated X-axis direction, since the upper portion 26 b passes through the aperture, and the lower portion 26 a passes between the tracks 24 .
- the aperture 48 is preferably located at the top of the jamb 12 since it is the most unlikely location where the sash 18 (and associated sash clip 16 and carrier 10 ) would be positioned when the invention is being used, it will, however, be understood by those skilled in the art that the aperture 48 may alternatively be located, e.g., at the bottom of the jamb, wherein the upper portion has a width less then the distance between the tracks 24 , and the lower portion has a width greater than a distance between the tracks but less than the distance between the side portions of the jamb.
- a pair of side guides 28 each having a generally U-shaped cross section are snapped, clipped or otherwise affixed to opposed edges of the upper portion 26 b of the slidable portion 26 of the carrier 10 (i.e., affixed to the edges of the slidable portion that extend generally parallel to the jamb 12 ).
- the side guides 28 are preferably made from nylon or other low-friction material to enable the carrier 10 (which is preferably made of die-cast zinc, but may be made of other strong materials, such as aluminum, steel, glass-reinforced nylon and the like, in other embodiments) to slide freely within the jamb 12 without substantially moving in the illustrated Z-axis direction.
- the carrier 10 also has a window sash support portion 32 having a pair of prongs 34 extending from the slidable portion 20 , each prong 34 having a hook portion 36 at the distal end thereof.
- a balance 38 (shown in hatched lines) is secured to the carrier 20 by inserting the balance between the prongs 34 .
- the other end of the balance (not shown) is affixed to the window frame 14 .
- the balance 38 exerts a biasing force in the upward direction (i.e. toward the top of the sheet of FIG. 4 ), and a nut, pin or enlarged section 40 is affixed to the distal end of the balance to prevent disengagement of the carrier 10 and balance.
- the enlarged section has a diameter larger than the distance between the prongs 34 , thereby biasing the carrier in the upward direction.
- the window sash support portion 32 of the carrier has a recess 54 (shown in FIG. 3 ) configured to capture the enlarged section 40 therein, to prevent the sliding of the enlarged section along the length of the carrier prongs 34 .
- the balance 38 shown in FIG. 4 is a spiral-type balance, it is readily apparent to those skilled in the art that block-and-tackle tilt-type balances, as well as other types of balances may be used in conjunction with the present invention. Such a configuration is advantageous over the prior in that it allows at least either spiral or block-and-tackle tilt type balances to be used in the carrier without substantial modifications thereto.
- the sash clip 16 which is affixed to, integral with or unitary with the window sash 18 , has a pair of prongs 42 extending from the sash clip, each prong having a hook portion 44 at the distal end thereof. As shown in FIG. 3 , the sash clip hook portions 44 removably engage the carrier hook portions 36 such that the sash clip 16 is supported by the carrier 10 .
- the sash clip prongs 42 and the carrier prongs 34 each are tapered such that the proximal end thereof is larger in size than the distal end (i.e., where the hooks portions 36 , 44 are located).
- Such a tapered configuration provides added strength to the prongs 34 , 42 of the respective carrier 10 and sash clip 16 to support the weight of the window sash 18 when the window sash is mounted in the window frame 14 .
- the tapered configuration of the carrier prongs 34 allows the window sash 18 to be centered in the window frame 14 when the sash clips 16 are lowered on the carrier 10 during installation of the window sash.
- the tapered configuration of the sash clip prongs 42 in addition to strengthening the sash clip, also serve to guide the sash clip hook portions 36 over the carrier prongs, should the sash clip prongs be mistakenly inserted under the carrier prongs 34 . Further, during an installation process of the window sash 18 in the window frame 14 , the sash clip prongs 42 are allowed to straddle the balance 38 , thereby allowing the side rails 50 of the window sash to be inserted even further into the jamb 12 and making the installation process easier.
- the sash clip 16 also has a foot portion 52 at the bottom thereof, which is affixed below the bottom of the window sash 18 (as shown in FIG.
- the carrier when the carrier 10 is in the jamb 12 , and when the sash clip is engaged with the carrier when the window sash 18 is mounted in the window frame 14 , the carrier (and window sash) may freely slide up and down in axial direction Y (with reference to, e.g., FIGS. 1 and 3 ) within the jamb when a user respectively raised and lowers the window sash.
- the present invention also allows the carrier 10 to be fixed in position to prevent the carrier (and window sash 18 ) from sliding up and down in the axial direction Y, by a locking mechanism 56 .
- the locking mechanism includes a jamb recess (jamb lock) 58 located in the jamb, and a carrier lock 60 .
- the carrier lock 60 includes a carrier aperture 62 located in the lower portion 26 a , and also includes a carrier pin 64 . While only one jamb recess is shown in FIG. 7A , it is readily appreciable by those skilled in the art that a plurality of jamb recesses 58 may be located in the jamb along the Y direction, thereby allowing the carrier to be locked at any position along the jamb where a jamb recess is located.
- the carrier (and window sash 18 ) is moved along the jamb 12 such that the carrier aperture 62 aligns in registry with the jamb recess 58 .
- the carrier pin 64 is inserted through the carrier aperture 62 into the jamb recess 58 , thereby securing the carrier 10 (and window sash 18 ), preventing the carrier 10 (and window sash 18 ) from up and down movement in the axial direction Y.
- the carrier aperture 62 is surrounded by a reinforcement ring 70 (preferably integral with the carrier) to provide added support to the carrier when the carrier pin 64 is inserted into the carrier aperture 62 .
- the carrier pin 64 can be detachably stored on the carrier 10 , while the window sash is in a movable position (i.e., when the carrier is not in the locked position) to prevent the loss thereof.
- a ring 66 located on an end of the carrier pin 64 may be used for this purpose, or in alternative embodiments, a clip or other receptacle may be mounted on the carrier 10 for holding the carrier pin 54 .
- the a jamb recess 58 , carrier aperture 62 and carrier pin 64 make up the locking mechanism, although those skilled in the art will readily appreciate that in alternative embodiments, other types of locking mechanisms may be used.
- a boss, slot, channel and the like may be used in the jamb, and rather than a carrier pin 58 and carrier aperture 62 , a built-in clip, spring-loaded pin, button or other removably protruding mechanism may be part of the carrier 10 to complementarily and removably engage at least one of the boss, slot, channel and the like of the jamb 12 , and thereby lock the carrier 10 in place.
- FIG. 7B in both the locked position and the movable position, the edges of the window sash 18 are each captured in a respective jamb 12 .
- FIG. 7B is a sectional top plan view showing the window sash 18 , sash clip 16 and jamb 12 ; however, other details such as, e.g., the carrier 10 and window glass are not shown for ease of understanding.
- the sash 18 is then lifted substantially in the Y direction to disengage the sash clip 16 from the carrier, such that the carrier no longer supports the window sash, as shown in FIG. 8 .
- the sash is then moved laterally along the X axis direction toward the back portion 20 of one of the jambs 12 , such that one edge of the sash (on the left side of FIGS. 9A and 9B ) further protrudes into the jamb, and such that another edge of the sash (on the right side of FIGS.
- FIGS. 9A and 9B show an edge of the sash 18 being moved toward the back portion 20 of the jamb 12 on the left side of the figures, the present invention is configured such that the sash may alternatively be moved toward the back portion of the jamb on the right side of the figures, i.e., the sash may be moved toward the back portion of either jamb 12 of the window frame 14 .
- the sash 18 is pivoted substantially about the Y axis direction at the edge of sash that remains captured by the jamb 12 , such that the edge of the sash that is no longer captured by the jamb, is no longer facing the back portion 20 of the jamb, i.e. the sash is no longer parallel to the X axis direction (i.e. a plane defined by the window frame 14 ).
- the sash 18 may be completely removed from the jamb by moving the sash in the direction of the sash edge that is no longer captured by the jamb is facing.
- the above procedure may be performed in reverse. Specifically, after the carrier 10 is secured in place as described supra, an edge of the sash 18 is inserted towards the back portion 20 of the jamb 12 (as shown in FIG. 10 ), whereupon the sash may be pivoted such that it is substantially parallel with the X axis direction (as shown in FIG. 9B ). Thereafter, the sash is lowered such that the sash clip 16 is lowered onto and supported by the carrier 10 and the sash clip hook portions 44 engage the carrier hook portions 36 .
- the tapered configuration of the carrier prongs 34 allows the sash 18 to slide downward and laterally (i.e., toward the center of the frame) due to the engagement of the foot portion 52 of the sash clip 16 with the tapered portion of the carrier prongs 34 , as can be seen in FIGS. 2, 3 and 7 A.
- the carrier pin 64 may be removed from the carrier, whereupon the sash may freely slide up and down within the jamb 12 .
Abstract
Description
- 1. Field of the Invention
- The present invention is related to a carrier system and method for hung windows, and more particularly relates to an carrier system and method for easy removal of hung windows from a captured jamb.
- 2. Background and Material Information
- Captured jamb-type hung windows are known in the art for being useful in impact-resistant window applications, in areas of high winds and the like, whereas non-captured jamb designs (primarily used in tilting window systems) are generally too weak for applications in areas of high winds. In such captured-jamb systems, the jamb has a generally U-shaped cross-sectional configuration to prevent the window sash from being dislodged from the jamb during high winds or other impact. One such captured jamb design is disclosed in the “Ultralift Takeout System II” manufactured by Caldwell Manufacturing Company, of Rochester, N.Y. (the “Caldwell System”).
- In the Caldwell System, a carrier 21B81 supports a bracket assembly 21B72, the latter which is screwed to a window sash, and the window may slide along guide rails of the window jamb. The carrier is attached to an ultra-lift balance, and has a swingable hook portion that is engageable with a 45° lance. To remove the window of the Caldwell System, the user must remove sash plate 21B88, 21B89 from the bottom of the sash to access the swingable hook portion of the carrier. The user then reaches into the jamb area and pivots the hook, and then slides the window until the swingable hook portion of the carrier engages the lance, thereby securing the carrier in place. Once the carrier is secured in place, the window may be lifted to disengage the bracket assembly from the carrier, so that the window can be removed.
- Caldwell discloses a rather complicated and expensive system, and requires a significant amount time to remove the window sash, since, e.g., the sash must first be unscrewed. Also, since the user must reach up into the jamb area to lock the carrier to the jamb, the user may injure his or her fingers. Additionally, once the swingable hook portion engages the lance, the carrier is secured against movement in only one direction, i.e., the upward direction, as the carrier is upwardly biased by the spring of the balance. In the event that the balance is disengaged from the carrier while the carrier is secured (either intentionally or accidentally), the carrier is no longer upwardly biased and may then come crashing down, potentially damaging the window and/or injuring the user. Further, because the carrier must be able to slide over the lance, the carrier must be formed in a “W” configuration, adding to manufacturing complexity and cost.
- Additionally, U.S. Pat. No. 3,498,000 to NOBES discloses a takeout apparatus for
aluminum window sash 12, the apparatus having acarrier 20 that slides along a window jamb or frame 11. The sash has a sash clip 25 that engages acarrier 20, the latter having extensions 21 that engage a retainer spring 29 attached to the frame. As described in col. 4, lines 43-55, to remove the window sash from the frame, the sash must be raised to its upper limit of travel to allow the carrier extensions 21 to engage the spring, thereby locking the sash in position. Once locked, the sash clip 25 may be disengaged from thecarrier 20, and the sash may then be removed from the frame 11. - However, there are several disadvantages to NOBES. For example, since the sash must be raised to its upper limit of travel, where the retainer spring 29 is located, the range of opening of the window is reduced. Additionally, removing the window sash when it is at its uppermost limit of travel creates the unnecessary hazard of lifting a heavy window sash from such a high location.
- In view of the above inadequacies of the prior art, the present invention provides a carrier system for hung windows that allows a window sash to be easily and quickly removed from a window jamb, and that is economical to manufacture. The carrier system is also configured such that a carrier is lockable in place in both vertical (i.e., both upper and lower) moving directions (i.e. both directions of an axial direction). Additionally, the carrier of the present invention is not limited to being locked at an uppermost limit of travel, but may be locked at virtually any location along the length of the window jamb, and at a plurality of different locations along the jamb.
- The present invention has the benefits of being used in a captured-jamb design while allowing the sash to be easily removed from the jamb, without first having to disengage the balance. Also, the present invention provides the flexibility of allowing a variety of spiral or block and tackle tilt balances to be used therewith, and further provides ease of interchangability between these types of balances. Since in the present invention the window balance is attachable to the carrier, rather than directly to the sash, the balance may be more safely and easily accessed and/or replaced, because the sash may be removed from the jamb. Additionally, the carrier does not interfere with balance installation screws, which would otherwise be problematic especially when using block and tackle balances, which slide with the sash.
- The hung window carrier system includes a jamb having a generally U-shaped cross section having a back portion and two opposed side portions, the jamb comprising a pair of tracks, each track located on a respective side portion and extending in an axial direction substantially parallel to the jamb, the jamb having a pair of opposed channel portions defined by the back portions, respective opposed side portions, and respective pair of tracks. The invention also includes a sash clip configured to be affixed to a window sash, a carrier having a slidable portion and a window sash support portion, wherein the window sash support portion is configured to removably engage the sash clip and further configured to support the window sash. The slidable portion is configured to slide along the jamb toward upper and lower extremities in the axial direction between the back portion and the opposed side portions, and the carrier is configured to be connected to a window balance. The invention also has a locking mechanism comprising a jamb lock located on the jamb and a carrier lock located on the carrier, the jamb lock and carrier lock configured to align with each other by sliding the carrier within the jamb, wherein after the jamb lock and carrier lock are aligned, the locking mechanism is configured to lock the carrier in place along the jamb such that the carrier cannot move toward either the upper or lower extremities.
- The jamb may further include an aperture located on the jamb where the plurality of tracks are not present, wherein the carrier is insertable into and removable from the aperture in a direction at least one of oblique and perpendicular to the axial direction. Also, the aperture may be located proximate the upper extremity of the jamb, and the slidable portion may include a first width less than a distance between the two opposed side portions, and a second width greater than a distance between the two opposed side portions.
- The slidable portion may further include a first width less than a distance between the two opposed side portions, and a second width greater than a distance between the two opposed side portions, the second width being insertable into and removable from the aperture.
- The system may also include a pair of side guides, each having a generally U-shaped cross section and affixed to a respective opposed edge of the slidable portion of the carrier and configured to slide, together with the carrier, within the channel portion in the axial direction.
- The jamb lock may yet include a plurality of jamb locks arranged in the axial direction. The carrier lock may include a carrier clip, and the plurality of jamb locks may include a respective plurality of jamb recesses each configured to accept the carrier clip.
- Also, the carrier lock may include a carrier aperture and a carrier pin, the plurality of jamb locks may include a respective plurality of jamb recesses, and the carrier pin may pass through the carrier aperture to be inserted into a jamb recess of the plurality of jamb recesses. Also, the slidable portion may be substantially planar.
- The carrier lock may be located on the slidable portion at a position axially below the window sash, when the window sash support portion supports the window sash, thereby making it easier for a user to access the carrier lock, and further reducing the possibility of a user injuring his or her fingers, since the user does not have to insert his or her fingers up into the region between the window sash and carrier.
- Also provided is a method of removing a hung window sash from a jamb of a window frame, the jamb having a jamb having a generally U-shaped cross section, the generally U-shaped cross section having a back portion and two opposed side portions, the jamb further having a pair of tracks, each track of the plurality of tracks located on a respective side portion and extending in an axial direction substantially parallel to the jamb, the window having a sash clip affixed to a window sash. The method includes supporting the window sash by a window sash support portion of a carrier engaged with the sash clip, sliding the carrier via a slidable portion thereof, the slidable portion located between the back portion and the opposed side portions, along the jamb in the axial direction, aligning a carrier lock located on the carrier with a jamb lock located on the jamb, locking the carrier against movement toward an upper and lower extremity of the axial direction relative to the jamb, by engaging the carrier lock with the jamb lock. The method further includes lifting the window sash substantially in the axial direction to disengage the sash clip from the window sash support portion, laterally moving the window sash in a direction substantially parallel to a plane defined by the window frame, pivoting the window sash about an axis substantially parallel to the axial direction, and removing the window sash from the jamb.
- The jamb may also include an aperture located on the jamb where the plurality of tracks are not present, and the method may also include at least one of inserting and removing the carrier from the aperture in a direction at least one of oblique and perpendicular to the axial direction.
- Also, the aperture may be present proximate a top of the jamb, and the slidable portion may include a first width less than a distance between the two opposed side portions, and a second width greater than a distance between the two opposed side portions. Also, the second width may be insertable into and removable from the aperture.
- The jamb may further have a pair of generally U-shaped side guides respectively located between the pair of opposed side portions and the back portion, and the method may further include sliding the carrier by the slidable portion in the pair of generally U-shaped side guides.
- The jamb lock may include a plurality of jamb locks arranged in the axial direction, and the carrier lock may include a carrier clip. The plurality of jamb locks may include a respective plurality of jamb recesses, and the locking may further include inserting the carrier clip into one of the plurality of jamb recesses. Also, the carrier lock may include a carrier aperture and a carrier pin, the plurality of jamb locks may include a respective plurality of jamb recesses, and the locking may further include passing the carrier pin through the carrier aperture and into a jamb recess of the plurality of jamb recesses.
- The carrier lock may be located on the slidable portion at a position axially below the window sash, when the window sash support portion supports the window sash. Also, the slidable portion may be substantially planar.
- Also provided is a method of inserting a hung window into a jamb, the jamb having a generally U-shaped cross section, the generally U-shaped cross section having a back portion and two opposed side portions, the jamb further having a pair of tracks, each track of the plurality of tracks located on a respective side portion and extending in an axial direction substantially parallel to the jamb, the window having a sash clip affixed to a window sash. The method includes inserting an edge of the window sash into the jamb, the edge substantially parallel to the axial direction, pivoting the edge of window sash about an axis substantially parallel to the axial direction until a plane defined by the window sash is substantially parallel with a plane defined by the jamb, laterally moving the window sash along the plane defined by the window sash, lowering the window sash substantially in the axial direction to engage the sash clip with a window sash support portion of a carrier, and unlocking the carrier in the axial direction relative to the jamb by disengaging a carrier lock from a jamb lock, such that a slidable portion of the carrier may slide along the jamb in the axial direction, the slidable portion located between the back portion and the opposed side portions.
- Other exemplary embodiments and advantages of the present invention may be ascertained by reviewing the present disclosure and the accompanying drawings.
- The present invention is further described in the detailed description which follows, in reference to the noted plurality of drawings by way of non-limiting examples of preferred embodiments of the present invention, in which like numerals represent like elements throughout the several views of the drawings, and wherein:
-
FIG. 1 is a perspective exploded view of the carrier and jamb according to the present invention; -
FIG. 2 is a perspective view of the sash clip according to the present invention; -
FIG. 3 is a side schematic view of the carrier and sash clip engaged with each other; -
FIG. 4 is a side schematic view of the carrier with a balance attached thereto; -
FIG. 5 is a top plan schematic view of the carrier inserted into the jamb; -
FIG. 6 is a side schematic view of the sash clip affixed to a window sash; -
FIG. 7A is a schematic partial view of a window with the carrier in locked position, with the carrier and sash clip engaged with each other; -
FIG. 7B is a sectional top plan schematic view of the window sash installed in the jamb ofFIG. 7A ; -
FIG. 8 is a schematic partial view of a window with the carrier in locked position, with the carrier and sash clip disengaged from each other; -
FIG. 9A is a schematic partial view of a window with the carrier in locked position, with the carrier and sash clip disengaged from each other, and with the window sash moved laterally toward one jamb; -
FIG. 9B is a sectional top plan schematic view of the window sash moved laterally toward the jamb ofFIG. 9A ; and -
FIG. 10 is a sectional top plan schematic view of the window sash in a pivoted position. - The particulars shown herein are by way of example and for purposes of illustrative discussion of the embodiments of the present invention only and are presented in the cause of providing what is believed to be the most useful and readily understood description of the principles and conceptual aspects of the present invention. In this regard, no attempt is made to show structural details of the present invention in more detail than is necessary for the fundamental understanding of the present invention, the description taken with the drawings making apparent to those skilled in the art how the several forms of the present invention may be embodied in practice.
- Referring to the drawings wherein like numerals represent like elements,
FIG. 1 shows acarrier 10 and ajamb 12 in which the carrier slides. Thejamb 12 has a generally U-shaped cross-sectional configuration, as can also be seen inFIG. 5 , and may be affixed to, integral with or unitary with a window frame 14 (shown inFIG. 8 ).FIG. 2 shows asash clip 16 which may be affixed to, integral with or unitary with aside rail 50 of a window sash 18 (shown inFIG. 6 ) via screws (not shown) inserted throughholes 46 and penetrating into the window sash. However, it is understood by those skilled in the art that thesash clip 16 may be affixed to the window sash by other known means. The present invention includes thejamb 12,carrier 10 andsash clip 16, and in the preferred embodiment, there is ajamb 12, acarrier 10 andsash clip 16 each at opposite sides of thewindow frame 14. - The
jamb 12 has aback portion 20 and twoopposed side portions jamb 12 also has a pair of tracks 24 (only one of which is visible inFIG. 1 ), each affixed to arespective side portion jamb 12, and createopposed channel portions 30 in the jamb. Thecarrier 10 has a generally planarslidable portion 26 configured to slide along thejamb 12 within thechannel portions 30, as shown inFIG. 5 . - As shown in
FIG. 1 , thejamb 12 also has a region (aperture) 48, preferably at the top of the jamb, where there are notracks 24 present therein, and theslidable portion 26 has alower portion 26 a and anupper portion 26 b. Thelower portion 26 a has a width less then the distance between thetracks 24, and theupper portion 26 b has a width greater than a distance between the tracks but less than the distance between theside portions jamb 12. With such a configuration, theaperture 48 does not extend the entire length of thecarrier 10, but rather merely extends the length of the upper portion, thereby allowing theupper portion 26 b to be captured by the opposedchannel portions 30 of thejamb 12, while giving the carrier a longer range of travel along the jamb than would otherwise be available if the aperture extended the entire length of the carrier. Thus, as shown inFIG. 1 , the carrier may be inserted into the jamb in a direction generally parallel to the illustrated X-axis direction, since theupper portion 26 b passes through the aperture, and thelower portion 26 a passes between thetracks 24. While theaperture 48 is preferably located at the top of thejamb 12 since it is the most unlikely location where the sash 18 (and associatedsash clip 16 and carrier 10) would be positioned when the invention is being used, it will, however, be understood by those skilled in the art that theaperture 48 may alternatively be located, e.g., at the bottom of the jamb, wherein the upper portion has a width less then the distance between thetracks 24, and the lower portion has a width greater than a distance between the tracks but less than the distance between the side portions of the jamb. - As shown in
FIG. 5 , a pair of side guides 28 each having a generally U-shaped cross section are snapped, clipped or otherwise affixed to opposed edges of theupper portion 26 b of theslidable portion 26 of the carrier 10 (i.e., affixed to the edges of the slidable portion that extend generally parallel to the jamb 12). The side guides 28 are preferably made from nylon or other low-friction material to enable the carrier 10 (which is preferably made of die-cast zinc, but may be made of other strong materials, such as aluminum, steel, glass-reinforced nylon and the like, in other embodiments) to slide freely within thejamb 12 without substantially moving in the illustrated Z-axis direction. - The
carrier 10 also has a windowsash support portion 32 having a pair ofprongs 34 extending from theslidable portion 20, eachprong 34 having ahook portion 36 at the distal end thereof. As shown inFIG. 4 , a balance 38 (shown in hatched lines) is secured to thecarrier 20 by inserting the balance between the prongs 34. The other end of the balance (not shown) is affixed to thewindow frame 14. Thebalance 38 exerts a biasing force in the upward direction (i.e. toward the top of the sheet ofFIG. 4 ), and a nut, pin orenlarged section 40 is affixed to the distal end of the balance to prevent disengagement of thecarrier 10 and balance. The enlarged section has a diameter larger than the distance between theprongs 34, thereby biasing the carrier in the upward direction. To facilitate the connection of thebalance 38 to thecarrier 10, the windowsash support portion 32 of the carrier has a recess 54 (shown inFIG. 3 ) configured to capture theenlarged section 40 therein, to prevent the sliding of the enlarged section along the length of the carrier prongs 34. It is noted that while thebalance 38 shown inFIG. 4 is a spiral-type balance, it is readily apparent to those skilled in the art that block-and-tackle tilt-type balances, as well as other types of balances may be used in conjunction with the present invention. Such a configuration is advantageous over the prior in that it allows at least either spiral or block-and-tackle tilt type balances to be used in the carrier without substantial modifications thereto. - The
sash clip 16, which is affixed to, integral with or unitary with thewindow sash 18, has a pair ofprongs 42 extending from the sash clip, each prong having ahook portion 44 at the distal end thereof. As shown inFIG. 3 , the sashclip hook portions 44 removably engage thecarrier hook portions 36 such that thesash clip 16 is supported by thecarrier 10. - The sash clip prongs 42 and the carrier prongs 34 each are tapered such that the proximal end thereof is larger in size than the distal end (i.e., where the
hooks portions prongs respective carrier 10 andsash clip 16 to support the weight of thewindow sash 18 when the window sash is mounted in thewindow frame 14. Also, the tapered configuration of the carrier prongs 34 allows thewindow sash 18 to be centered in thewindow frame 14 when the sash clips 16 are lowered on thecarrier 10 during installation of the window sash. The tapered configuration of the sash clip prongs 42, in addition to strengthening the sash clip, also serve to guide the sashclip hook portions 36 over the carrier prongs, should the sash clip prongs be mistakenly inserted under the carrier prongs 34. Further, during an installation process of thewindow sash 18 in thewindow frame 14, the sash clip prongs 42 are allowed to straddle thebalance 38, thereby allowing the side rails 50 of the window sash to be inserted even further into thejamb 12 and making the installation process easier. Thesash clip 16 also has afoot portion 52 at the bottom thereof, which is affixed below the bottom of the window sash 18 (as shown inFIG. 6 ), to help support the window sash from below when the sash clip is engaged with the carrier 10 (e.g., when the window sash is mounted in the window frame 14), and to help prevent the sash clip from becoming disengaged from the window sash. - Thus, when the
carrier 10 is in thejamb 12, and when the sash clip is engaged with the carrier when thewindow sash 18 is mounted in thewindow frame 14, the carrier (and window sash) may freely slide up and down in axial direction Y (with reference to, e.g.,FIGS. 1 and 3 ) within the jamb when a user respectively raised and lowers the window sash. Referring toFIG. 7A , the present invention also allows thecarrier 10 to be fixed in position to prevent the carrier (and window sash 18) from sliding up and down in the axial direction Y, by alocking mechanism 56. The locking mechanism includes a jamb recess (jamb lock) 58 located in the jamb, and acarrier lock 60. In the figures, thecarrier lock 60 includes acarrier aperture 62 located in thelower portion 26 a, and also includes acarrier pin 64. While only one jamb recess is shown inFIG. 7A , it is readily appreciable by those skilled in the art that a plurality of jamb recesses 58 may be located in the jamb along the Y direction, thereby allowing the carrier to be locked at any position along the jamb where a jamb recess is located. - To lock the
carrier 10 in place, the carrier (and window sash 18) is moved along thejamb 12 such that thecarrier aperture 62 aligns in registry with thejamb recess 58. Once aligned, thecarrier pin 64 is inserted through thecarrier aperture 62 into thejamb recess 58, thereby securing the carrier 10 (and window sash 18), preventing the carrier 10 (and window sash 18) from up and down movement in the axial direction Y. Thecarrier aperture 62 is surrounded by a reinforcement ring 70 (preferably integral with the carrier) to provide added support to the carrier when thecarrier pin 64 is inserted into thecarrier aperture 62. Additionally, thecarrier pin 64 can be detachably stored on thecarrier 10, while the window sash is in a movable position (i.e., when the carrier is not in the locked position) to prevent the loss thereof. A ring 66 located on an end of thecarrier pin 64 may be used for this purpose, or in alternative embodiments, a clip or other receptacle may be mounted on thecarrier 10 for holding thecarrier pin 54. In the embodiment shown in the figures, the ajamb recess 58 ,carrier aperture 62 andcarrier pin 64 make up the locking mechanism, although those skilled in the art will readily appreciate that in alternative embodiments, other types of locking mechanisms may be used. For example, rather than ajamb recess 58, a boss, slot, channel and the like may be used in the jamb, and rather than acarrier pin 58 andcarrier aperture 62, a built-in clip, spring-loaded pin, button or other removably protruding mechanism may be part of thecarrier 10 to complementarily and removably engage at least one of the boss, slot, channel and the like of thejamb 12, and thereby lock thecarrier 10 in place. As shown inFIG. 7B , in both the locked position and the movable position, the edges of thewindow sash 18 are each captured in arespective jamb 12. It is noted that inFIG. 7B is a sectional top plan view showing thewindow sash 18,sash clip 16 and jamb 12; however, other details such as, e.g., thecarrier 10 and window glass are not shown for ease of understanding. - To remove the
sash 18 from the window jamb 12, once thecarrier 10 is locked in place and secured against movement in the Y direction, as discussed supra and shown inFIG. 7A , thesash 18 is then lifted substantially in the Y direction to disengage thesash clip 16 from the carrier, such that the carrier no longer supports the window sash, as shown inFIG. 8 . Once thesash 18 is disengaged, the sash is then moved laterally along the X axis direction toward theback portion 20 of one of thejambs 12, such that one edge of the sash (on the left side ofFIGS. 9A and 9B ) further protrudes into the jamb, and such that another edge of the sash (on the right side ofFIGS. 9A and 9B ) is no longer captured by the jamb, as shown inFIGS. 9A and 9B . AlthoughFIGS. 9A and 9B show an edge of thesash 18 being moved toward theback portion 20 of thejamb 12 on the left side of the figures, the present invention is configured such that the sash may alternatively be moved toward the back portion of the jamb on the right side of the figures, i.e., the sash may be moved toward the back portion of either jamb 12 of thewindow frame 14. Thereafter, thesash 18 is pivoted substantially about the Y axis direction at the edge of sash that remains captured by thejamb 12, such that the edge of the sash that is no longer captured by the jamb, is no longer facing theback portion 20 of the jamb, i.e. the sash is no longer parallel to the X axis direction (i.e. a plane defined by the window frame 14). At this point, thesash 18 may be completely removed from the jamb by moving the sash in the direction of the sash edge that is no longer captured by the jamb is facing. - To insert the
sash 18 into thejamb 12, the above procedure may be performed in reverse. Specifically, after thecarrier 10 is secured in place as described supra, an edge of thesash 18 is inserted towards theback portion 20 of the jamb 12 (as shown inFIG. 10 ), whereupon the sash may be pivoted such that it is substantially parallel with the X axis direction (as shown inFIG. 9B ). Thereafter, the sash is lowered such that thesash clip 16 is lowered onto and supported by thecarrier 10 and the sashclip hook portions 44 engage thecarrier hook portions 36. To facilitate the centering of thesash 18 during the lowering process, as discussed supra, the tapered configuration of the carrier prongs 34 allows thesash 18 to slide downward and laterally (i.e., toward the center of the frame) due to the engagement of thefoot portion 52 of thesash clip 16 with the tapered portion of the carrier prongs 34, as can be seen inFIGS. 2, 3 and 7A. Once the sash clip 16 (and sash connected thereto) is securely supported by thecarrier 10, thecarrier pin 64 may be removed from the carrier, whereupon the sash may freely slide up and down within thejamb 12. - It is noted that the foregoing examples have been provided merely for the purpose of explanation and are in no way to be construed as limiting of the present invention. While the present invention has been described with reference to a preferred embodiment, it is understood that the words which have been used herein are words of description and illustration, rather than words of limitation. Changes may be made, within the purview of the appended claims, as presently stated and as amended, without departing from the scope and spirit of the present invention in its aspects. Although the present invention has been described herein with reference to particular means, materials and embodiments, the present invention is not intended to be limited to the particulars disclosed herein; rather, the present invention extends to all functionally equivalent structures, methods and uses, such as are within the scope of the appended claims.
Claims (22)
Priority Applications (1)
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US10/714,940 US7036275B2 (en) | 2003-11-18 | 2003-11-18 | Hung window carrier system and method |
Applications Claiming Priority (1)
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US10/714,940 US7036275B2 (en) | 2003-11-18 | 2003-11-18 | Hung window carrier system and method |
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US7036275B2 US7036275B2 (en) | 2006-05-02 |
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US7980028B1 (en) * | 2007-07-16 | 2011-07-19 | Kunz John R | Coil spring counterbalance system for side loading window sashes |
US20090119874A1 (en) * | 2007-11-12 | 2009-05-14 | Caldwell Manufacturing Company | Snap-On Window Balance Terminal Clip |
US8296903B1 (en) * | 2009-09-03 | 2012-10-30 | Amesbury Group, Inc. | Side-load window balance system and methods |
US8584426B2 (en) | 2010-06-04 | 2013-11-19 | Milgard Manufacturing Incorporated | Sash binder |
US9863176B2 (en) | 2014-07-30 | 2018-01-09 | Amesbury Group, Inc. | Carrier and bracket assembly for window balance |
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